EP3842852A4 - Appareil de balayage laser - Google Patents

Appareil de balayage laser Download PDF

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Publication number
EP3842852A4
EP3842852A4 EP20849696.8A EP20849696A EP3842852A4 EP 3842852 A4 EP3842852 A4 EP 3842852A4 EP 20849696 A EP20849696 A EP 20849696A EP 3842852 A4 EP3842852 A4 EP 3842852A4
Authority
EP
European Patent Office
Prior art keywords
laser scanning
scanning apparatus
laser
scanning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20849696.8A
Other languages
German (de)
English (en)
Other versions
EP3842852A1 (fr
Inventor
Fei ZHAO
Li Zeng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP3842852A1 publication Critical patent/EP3842852A1/fr
Publication of EP3842852A4 publication Critical patent/EP3842852A4/fr
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10Scanning systems
    • G02B26/105Scanning systems with one or more pivoting mirrors or galvano-mirrors
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G02B26/0833Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481Constructional features, e.g. arrangements of optical elements
    • G01S7/4817Constructional features, e.g. arrangements of optical elements relating to scanning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target
    • G01S17/42Simultaneous measurement of distance and other co-ordinates
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50Systems of measurement based on relative movement of target
    • G01S17/58Velocity or trajectory determination systems; Sense-of-movement determination systems
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10Scanning systems
    • G02B26/101Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938Using specific optical elements
    • G02B27/095Refractive optical elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938Using specific optical elements
    • G02B27/095Refractive optical elements
    • G02B27/0972Prisms
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10Beam splitting or combining systems
    • G02B27/12Beam splitting or combining systems operating by refraction only
    • G02B27/123The splitting element being a lens or a system of lenses, including arrays and surfaces with refractive power
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/30Collimators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Mechanical Optical Scanning Systems (AREA)
EP20849696.8A 2019-08-07 2020-06-20 Appareil de balayage laser Pending EP3842852A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910725611.5A CN112346239B (zh) 2019-08-07 2019-08-07 激光扫描装置
PCT/CN2020/097295 WO2021022917A1 (fr) 2019-08-07 2020-06-20 Appareil de balayage laser

Publications (2)

Publication Number Publication Date
EP3842852A1 EP3842852A1 (fr) 2021-06-30
EP3842852A4 true EP3842852A4 (fr) 2022-05-04

Family

ID=74366611

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20849696.8A Pending EP3842852A4 (fr) 2019-08-07 2020-06-20 Appareil de balayage laser

Country Status (4)

Country Link
US (1) US20210223370A1 (fr)
EP (1) EP3842852A4 (fr)
CN (1) CN112346239B (fr)
WO (1) WO2021022917A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114545428B (zh) * 2022-03-02 2024-02-02 中国科学院光电技术研究所 基于单像素-单光子探测器跟踪测距激光雷达装置及方法
CN115166992B (zh) * 2022-07-28 2024-02-06 苏州龙马璞芯芯片科技有限公司 抑制散斑对比度的激光扫描显示装置、方法及抬头显示系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1184250A (ja) * 1997-09-08 1999-03-26 Olympus Optical Co Ltd 光走査型共焦点顕微鏡
EP2212717A2 (fr) * 2007-10-09 2010-08-04 Danmarks Tekniske Universitet Système de lidar cohérent basé sur un laser à semi-conducteur et un amplificateur
US20160266242A1 (en) * 2015-03-13 2016-09-15 Advanced Scientific Concepts, Inc. Beam steering ladar sensor
US20190195688A1 (en) * 2017-12-22 2019-06-27 Amir H. Atabaki Swept-Source Raman Spectroscopy Systems and Methods
US20190196179A1 (en) * 2017-12-26 2019-06-27 AdHawk Microsystems Packaging for Compact Object-Scanning Modules

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4337467B2 (ja) * 2003-08-13 2009-09-30 ブラザー工業株式会社 光走査装置の検査方法
IL165212A (en) * 2004-11-15 2012-05-31 Elbit Systems Electro Optics Elop Ltd Device for scanning light
CN101395480A (zh) * 2006-01-27 2009-03-25 斯欧普迪克尔股份有限公司 利用soi基光电子元件的激光雷达系统
JP4682948B2 (ja) * 2006-07-27 2011-05-11 富士ゼロックス株式会社 光走査装置及び画像形成装置
US20090154872A1 (en) * 2007-12-18 2009-06-18 Sherrer David S Electronic device package and method of formation
CN105324688B (zh) * 2013-06-17 2018-03-06 苹果公司 用于扫描引擎的模块化光学器件
WO2015199735A1 (fr) * 2014-06-27 2015-12-30 Hrl Laboratories, Llc Lidar de balayage et son procédé de production
DE102016111615B3 (de) * 2016-06-24 2017-04-13 Sick Ag Optoelektronischer Sensor und Verfahren zur Erfassung von Objekten
US11226403B2 (en) * 2017-07-12 2022-01-18 GM Global Technology Operations LLC Chip-scale coherent lidar with integrated high power laser diode
CN107555395B (zh) * 2017-09-08 2019-06-07 厦门大学 光电位置传感芯片与电热微镜键合的一体化器件

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1184250A (ja) * 1997-09-08 1999-03-26 Olympus Optical Co Ltd 光走査型共焦点顕微鏡
EP2212717A2 (fr) * 2007-10-09 2010-08-04 Danmarks Tekniske Universitet Système de lidar cohérent basé sur un laser à semi-conducteur et un amplificateur
US20160266242A1 (en) * 2015-03-13 2016-09-15 Advanced Scientific Concepts, Inc. Beam steering ladar sensor
US20190195688A1 (en) * 2017-12-22 2019-06-27 Amir H. Atabaki Swept-Source Raman Spectroscopy Systems and Methods
US20190196179A1 (en) * 2017-12-26 2019-06-27 AdHawk Microsystems Packaging for Compact Object-Scanning Modules

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ABHISHEK KASTURI ET AL: "MEMS mirror module for programmable light system", MOEMS AND MINIATURIZED SYSTEMS XVIII, 4 March 2019 (2019-03-04), pages 21, XP055718104, ISBN: 978-1-5106-2505-1, DOI: 10.1117/12.2511074 *

Also Published As

Publication number Publication date
EP3842852A1 (fr) 2021-06-30
CN112346239A (zh) 2021-02-09
WO2021022917A9 (fr) 2021-04-08
WO2021022917A1 (fr) 2021-02-11
CN112346239B (zh) 2022-10-18
US20210223370A1 (en) 2021-07-22

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